Varistor unit



FIG. 1 is a front elevation view of a varistor unit in accordance withthe present disclosure;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof, the bottom view being a mirror image;

FIG. 6 is a front elevation view of the varistor unit illustrated in asecond embodiment;

FIG. 7 is a rear elevation view thereof;

FIG. 8 is a right side elevation view thereof;

FIG. 9 is a left side elevation view thereof;

FIG. 10 is a top plan view thereof, the bottom view being a mirrorimage;

FIG. 11 is a front elevation view of the varistor unit illustrated in athird embodiment;

FIG. 12 is a rear elevation view thereof;

FIG. 13 is a right side elevation view thereof;

FIG. 14 is a left side elevation view thereof; and,

FIG. 15 is a top plan view thereof, the bottom view being a mirrorimage.

CLAIM The ornamental design for varistor unit, as shown and described.